Earth Pressure Balance Machine (EPBM)
Akkerman Earth Pressure Balance Machines (EPBM) are designed for soft, wet, or unstable, pressurized ground under the water table. Akkerman EPBM equipment is manufactured to pipe jack prefabricated jacking pipe or install liner plate, rib and board, or steel liner plate.
EPBM systems for large infrastructure projects are custom designed and manufactured.
FEATURES:
- Cutter heads and tooling with soft‑ground carbide tooling or mixed‑face designs using roller disc cutters.
- Plenum mixing chamber blends spoil and allows conditioning slurry injection behind the cutterhead.
- Dual earth‑pressure sensors communicate plenum chamber pressure to the operator.
- Sealed steering system with active articulation for line and grade control.
- Variable‑speed primary screw conveyor adjusts spoil removal based on advance rate and plenum pressure.
- Heavy‑duty tri‑roller TBM bearings with grease‑purged seals and variable‑speed hydraulic periphery drive.
- Compatible with multiple guidance systems, from tunnel laser and active targets to total‑station navigation.
- Additional accessories available to meet project requirements.
Testimonials
Akkerman has kept us on line and grade every time. Very efficient and accurate system with great prompt support.
John Bays, Superintendent
River and Roads